mta-26.7.B09a-fabric-1.20.4.jar PRE-RELEASE 1 is a beta file of the Minecraft mod MTR Traffic Addon for Fabric, made for Minecraft 1.20.4. It was published on July 11, 2026 and is 1.3 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the MTR Traffic Addon mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
